Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
P wave
|
the fastest moving body wave. It travels in a straight path by a push and pull motion
|
|
|
S wave
|
moves more slowly than the P wave. Moves in an up and down zig zag motion
|
|
|
L wave
|
when P and S waves reach the surface-the slowest and most destructive waves
|
|
|
tsunamis
|
an earthquake, volcano, or landslide occuring under or near the ocean causing a series of giant waves
|
|
|
magma
|
molten rock that explodes through the earth's surface
|
|
|
lava
|
when magma breaks the earth's surface
|
|
|
vent
|
lava flows out of the earth through an opening in the surface
|
|
|
crater
|
the bowl shape at the top of a main vent
|
|
|
hot spots
|
volcanoes formed under the ocean where a pool of intensely hot magma rises toward the surface
|
|
|
shield volcano
|
have gradually sloping sides and look like upside down saucers-formed by a continual flow of lava
|
|
|
cinder cone volcano
|
resembles a hill more than a mountain-has a bowl like crater at the top-tends to be explosive
|
|
|
composite cone volcano
|
large, symmetrical, cone shaped-has steep sides and made of layers of hardened lava
|
|
|
vog
|
gases released from a volcano that causes pollution
|
|
|
igneous rock
|
produced when magma and lava cools
|
|
|
hot spring
|
a body of water near an underground magma pool that rises to the surface
|
|
|
geyser
|
a hot spring the blows steam and hot water into the air
|
|
|
mud pot
|
a hot spring that contains more mud than water
|
